The The Swan Princess trilogy kicked off in 1994 with the first movie in the series The Swan Princess. In 1996 a second film was released staring Jack Palance, Howard McGillin, Michelle Nicastro, Liz Callaway, and in 1997 the series was completed with The Swan Princess: The Mystery of the Enchanted Kingdom

The The Student Nurses trilogy kicked off in 1970 with the first movie in the series The Student Nurses. In 1971 a second film was released staring Katherine Cannon, Joyce Williams, Pegi Boucher, Joseph Kaufmann, and in 1973 the series was completed with The Young Nurses

The The Spessart Trilogy trilogy kicked off in 1958 with the first movie in the series Das Wirtshaus im Spessart. In 1960 a second film was released staring Liselotte Pulver, Carlos Thompson, Günther Lüders, Rudolf Vogel, and in 1967 the series was completed with Herrliche Zeiten im Spessart

The The Skulls trilogy kicked off in 2000 with the first movie in the series The Skulls. In 2002 a second film was released staring Robin Dunne, Nathan West, Ashley Tesoro, Lindy Booth, and in 2003 the series was completed with The Skulls III

The The 7th Voyage of Sinbad trilogy kicked off in 1958 with the first movie in the series The 7th Voyage of Sinbad. In 1974 a second film was released staring John Phillip Law, Caroline Munro, Tom Baker, Douglas Wilmer, and in 1977 the series was completed with Sinbad and the Eye of the Tiger

The The Santa Clause trilogy kicked off in 1994 with the first movie in the series The Santa Clause. In 2002 a second film was released staring Tim Allen, Elizabeth Mitchell, David Krumholtz, Eric Lloyd, and in 2006 the series was completed with The Santa Clause 3: The Escape Clause

The The Sandlot trilogy kicked off in 1993 with the first movie in the series The Sandlot. In 2005 a second film was released staring Max Lloyd-Jones, James Willson, Samantha Burton, Brett Kelly, and in 2007 the series was completed with The Sandlot: Heading Home

The The Sabata Trilogy trilogy kicked off in 1969 with the first movie in the series Sabata. In 1971 a second film was released staring Lee Van Cleef, William Berger, Ignazio Spalla, Aldo Canti, and in 1971 the series was completed with Return of Sabata

The The Roller Blade Seven trilogy kicked off in 1991 with the first movie in the series The Roller Blade Seven. In 1992 a second film was released staring Scott Shaw, Frank Stallone, Karen Black, Don Stroud, and in 1993 the series was completed with Return of the Roller Blade Seven

The The Rocky and Bullwinkle Show trilogy kicked off in 1992 with the first movie in the series Boris and Natasha: The Movie. In 1999 a second film was released staring Brendan Fraser, Sarah Jessica Parker, Alfred Molina, Eric Idle, and in 2000 the series was completed with The Adventures of Rocky and Bullwinkle

The The Rising Son trilogy kicked off in 1990 with the first movie in the series The Rising Son. In 1996 a second film was released staring Ching-tao Ma, Ken Tong, and in 1996 the series was completed with The Rage of Gina

The The Rat trilogy kicked off in 1925 with the first movie in the series The Rat. In 1926 a second film was released staring Ivor Novello, Isabel Jeans, Nina Vanna, Marie Ault, and in 1929 the series was completed with The Return of the Rat

The The Qatsi Trilogy trilogy kicked off in 1983 with the first movie in the series Koyaanisqatsi. In 1988 a second film was released staring Christie Brinkley, David Brinkley, Pope John Paul II, Dan Rather, and in 2002 the series was completed with Naqoyqatsi

The The Oskar Luts Trilogy trilogy kicked off in 1969 with the first movie in the series Kevade. In 1976 a second film was released staring Aare Laanemets, Riina Hein, Margus Lepa, Kaljo Kiisk, and in 1990 the series was completed with S

The The Ninja Mission trilogy kicked off in 1984 with the first movie in the series The Ninja Mission. In 1999 a second film was released staring Leo Jacobsson, Glenn Eriksson, Pierre Toresson, Joel Vemdal, and in 2000 the series was completed with Ninja Mission 2000